Scissor Lift Desktop Workspace for Straight Vertical Adjustment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing desktop workspaces lack adjustable height mechanisms that provide straight vertical motion without protruding, limited maximum height, and inadequate load distribution, making them unsuitable for taller users and not compact enough when lowered.
Innovation Solution
A desktop workspace with a scissor motion height adjustment mechanism using pivot arms and sliding mechanisms that allow the work surface to raise and lower vertically, incorporating a locking mechanism for customizable height and improved load distribution, while maintaining a compact design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a scissor motion height adjustment mechanism is used, then the work surface can be adjusted to various heights, but the mechanism may cause the work surface to protrude outward when elevated
Solution Approach 1:
The patent guides the scissor mechanism arms to move along a curved trajectory rather than a straight linear path. By introducing guide rails or slots that constrain the arm movement to an arc, the mechanism achieves vertical height adjustment while preventing the work surface from protruding outward, effectively solving the dimensional conflict between height adjustment and alignment.
2Length of moving object
If the maximum adjustable height is increased to satisfy taller users, then the mechanism becomes more complex and less compact when lowered
Solution Approach 1:
The height adjustment mechanism is divided into multiple telescopic sections that can extend and retract independently. This segmentation allows the mechanism to achieve greater maximum height while maintaining a compact folded state, as each section can be collapsed into the others, reducing overall complexity compared to a single long arm design.
Solution Approach 2:
The scissor mechanism arms are designed with nested tubular structures where inner arms fit within outer arms when collapsed. This nesting arrangement enables the mechanism to achieve extended height for taller users while maintaining a compact form factor when lowered, effectively resolving the contradiction between maximum height and compactness.
3Adaptability or versatility
If a locking mechanism is added for customizable height, then the work surface can be held at any position, but the mechanism complexity increases
Solution Approach 1:
The locking mechanism utilizes the user's own body weight and the gravitational force on the work surface to automatically engage and disengage the locking positions. As the user adjusts the height, the mechanism self-locks at predetermined positions without requiring additional motors or complex control systems, thereby achieving customizable height positions while minimizing added complexity.
Solution Approach 2:
Spring-loaded detents or friction elements are pre-positioned along the adjustment path to provide automatic locking at specific height positions. This preliminary positioning system prevents the mechanism from drifting between positions and ensures stable holding without requiring active control, reducing the overall complexity of the height adjustment system.
4Strength
If the load capacity is increased to support heavier equipment, then the mechanism requires stronger (and heavier) components
Solution Approach 1:
The scissor mechanism arms and supporting structures are constructed using composite materials such as carbon fiber reinforced polymers or aluminum alloys. These composite materials provide high strength-to-weight ratios, enabling the mechanism to support heavier equipment and loads while keeping the mechanism itself lightweight, thus resolving the contradiction between load capacity and mechanism weight.
Solution Approach 2:
The mechanism incorporates curved or arched structural elements that distribute loads more efficiently across the framework. By using optimized curved geometries in the arm designs and support structures, the mechanism achieves higher load-bearing capacity without proportionally increasing weight, as the curved shapes provide structural efficiency and stress distribution.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables users to adjust the workspace height freely without protruding, supports taller users, and maintains a compact form when lowered, promoting ergonomic working and health benefits by reducing prolonged sitting or standing.
Implementation Method 1
A desktop workspace that adjusts vertically includes a work surface platform that acts as a work surface platform. A height adjustment mechanism allows the work surface platform to raise and lower to the desired height of the operator. This desktop workspace includes at least one set of arms as part of the height adjustment mechanism that utilizes a scissor motion to move the work surface platform up and down.
Data Source
AI summary
A desktop workspace that adjusts vertically includes a work surface platform, a base configured to sit on an existing platform, such as a desk, a height adjustable mechanism including at least one set of arms that connect at a pivot point(s) creating a scissoring motion to raise and lower the said work surface platform to various heights. A locking and unlocking mechanism may connect to the height adjustable mechanism. In some cases, the apparatus includes an adjustable mechanism to support items such as a keyboard. In some cases, the apparatus includes elements to raise items such as a monitor to an additional height.